22066002 has 48 divisors (see below), whose sum is σ = 55411200. Its totient is φ = 6215616.

The previous prime is 22066001. The next prime is 22066003. The reversal of 22066002 is 20066022.

22066002 is a `hidden beast` number, since 2 + 2 + 0 + 660 + 0 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (22066001) and next prime (22066003).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22066001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7999 + ... + 10397.

It is an arithmetic number, because the mean of its divisors is an integer number (1154400).

Almost surely, 2^22066002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22066002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27705600).

22066002 is an abundant number, since it is smaller than the sum of its proper divisors (33345198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22066002 is a wasteful number, since it uses less digits than its factorization.

22066002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487 (or 2484 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 22066002 is about 4697.4463275273. The cubic root of 22066002 is about 280.4838657348.

The spelling of 22066002 in words is "twenty-two million, sixty-six thousand, two".